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【单选题】
一个电热器接在10V的直流电源上产生一定的热效应。把它改接到交流电源上,使其产生的热效应是直流时的一半,则交流电源电压最大值应该是( )。A.
5V
B.
7.07V
C.
10V
D.
14V
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【单选题】Why can't Dr Smith meet the man at 4:30?
A.
Dr Smith will not work at that time.
B.
Dr Smith will be out to have a tea at that time.
C.
Dr Smith will have an appointment at that time.
【简答题】A．He doesn't know Dr, Jeffery very well. B．He thought Dr. Jeffery would get the position. C．He thought it took too long to make the decision. D．He's not sure Dr, Jeffery will be a good chairperson.
【简答题】听材料，回答问题。 1. Why can't the man see Dr. black now? A. Because Dr. Blackis busy. B. Because Dr. Black is out. C. Because Dr.Black can't see clearly. 2. When will the man go to see Dr Black? A. Tuesday ...
【单选题】听力原文： For a long time Dr. Jackson had wanted to get a permanent job in a certain big modern hospital, and at last he was successful. He was appointed to the particular position which he wanted, and he...
A.
Getting a permanent job in a big modern hospital.
B.
Moving to a big house.
C.
Getting a particular permanent job in a small hospital.
D.
Getting a particular temporary job in a small hospital.
【单选题】 指出句中宾补: The comrades wanted Dr. Bethune to take cover.
A.
Dr. Bethune
B.
to take cover
C.
wanted
D.
take cover
【单选题】Dr Mortimer wanted to know why I was asking about Mrs _____.
A.
Lyons
B.
Leo
C.
Neo
D.
Smith
【简答题】人民币壹拾万元整小写
【简答题】A．She wanted to sit by the window. B．She wanted to sit by the aisle. C．She couldn't bear the smoke. D．She wanted to talk with the man.
【简答题】[A] needn’t [B] didn’t dare [C] wanted [D] pointed out
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